From de2ae616649bb3f68b53c09278f0940f1b994ac8 Mon Sep 17 00:00:00 2001
From: PaddleStroke <pierrelouis.boyer@gmail.com>
Date: Mon, 20 Oct 2025 17:59:49 +0200
Subject: [PATCH] Image: enable pasting image data directly (#24711)

* Image: enable pasting image data directly

* Update MainWindow.cpp
---
 src/Gui/MainWindow.cpp | 65 ++++++++++++++++++++++++++++++++++++++----
 1 file changed, 59 insertions(+), 6 deletions(-)

diff --git a/src/Gui/MainWindow.cpp b/src/Gui/MainWindow.cpp
index 19d4546faf..6c71b4ed53 100644
--- a/src/Gui/MainWindow.cpp
+++ b/src/Gui/MainWindow.cpp
@@ -71,6 +71,7 @@
 #include <App/Document.h>
 #include <App/DocumentObject.h>
 #include <App/DocumentObjectGroup.h>
+#include <App/ImagePlane.h>
 #include <App/SafeMode.h>
 #include <Base/ConsoleObserver.h>
 #include <Base/Parameter.h>
@@ -2058,32 +2059,84 @@ bool MainWindow::canInsertFromMimeData (const QMimeData * source) const
     if (!source)
         return false;
     return source->hasUrls() ||
+        source->hasImage() ||
         source->hasFormat(_MimeDocObj) || source->hasFormat(_MimeDocObjX) ||
         source->hasFormat(_MimeDocObjFile) || source->hasFormat(_MimeDocObjXFile);
 }
 
 void MainWindow::insertFromMimeData (const QMimeData * mimeData)
 {
-    if (!mimeData)
+    if (!mimeData) {
         return;
+    }
+    
+    if (mimeData->hasImage()) {
+        App::Document* doc = App::GetApplication().getActiveDocument();
+        if (!doc) {
+            doc = App::GetApplication().newDocument();
+        }
+
+        if (!doc) {
+            return;
+        }
+
+        QImage image = qvariant_cast<QImage>(mimeData->imageData());
+        if (image.isNull()) {
+            return;
+        }
+
+        std::string tempPath = App::Application::getTempFileName("png");
+        if (image.save(QString::fromStdString(tempPath), "PNG")) {
+            WaitCursor wc;
+            doc->openTransaction("Paste image");
+
+            try {
+                std::string objName = doc->getUniqueObjectName("ImagePlane");
+                App::DocumentObject* obj = doc->addObject("Image::ImagePlane", objName.c_str());
+                if (obj) {
+                    obj->Label.setValue("PastedImage");
+                    static_cast<Image::ImagePlane*>(obj)->ImageFile.setValue(tempPath.c_str());
+                    doc->recompute();
+                }
+            }
+            catch (const Base::Exception& e) {
+                doc->abortTransaction();
+                e.reportException();
+                return;
+            }
+
+            doc->commitTransaction();
+        }
+        else {
+            Base::Console().error("Failed to save pasted image to temporary file: %s\n",
+                                  tempPath.c_str());
+        }
+        return;
+    }
+    
     bool fromDoc = false;
     bool hasXLink = false;
     QString format;
-    if(mimeData->hasFormat(_MimeDocObj))
+    if (mimeData->hasFormat(_MimeDocObj)) {
         format = _MimeDocObj;
+    }
     else if(mimeData->hasFormat(_MimeDocObjX)) {
         format = _MimeDocObjX;
         hasXLink = true;
-    }else if(mimeData->hasFormat(_MimeDocObjFile)) {
+    }
+    else if(mimeData->hasFormat(_MimeDocObjFile)) {
         format = _MimeDocObjFile;
         fromDoc = true;
-    }else if(mimeData->hasFormat(_MimeDocObjXFile)) {
+    }
+    else if(mimeData->hasFormat(_MimeDocObjXFile)) {
         format = _MimeDocObjXFile;
         fromDoc = true;
         hasXLink = true;
-    }else {
-        if (mimeData->hasUrls())
+    }
+    else {
+        if (mimeData->hasUrls()) {
             loadUrls(App::GetApplication().getActiveDocument(), mimeData->urls());
+        }
         return;
     }